CA-125 & PET/CT screening in 1432 myositis. 125 pts had CA-125 w/in 5yrs of onset - 3.1% false-positives (fibroids, endometriosis) & 14.3% false-negatives. 139 had PET done- 5.5% false-positives (LN, lung nodules), 28.6% false-negatives (missed melanoma, breast or prostate CA)… https://t.co/16KSDmp9Kz https://t.co/6QFl4jhDxp